It has more to do with the client side than the server side. The range on
the client can be closed down but one then runs the risk of causing other
services to fail.

This is nothing new. Open an ftp connection to a server somewhere and take a
netmon trace. Your packets are going out to port 21 but what's coming back
is just some random port >1024.

----- Original Message -----
From: "missy koslosky" <[EMAIL PROTECTED]>
To: "Exchange Discussions" <[EMAIL PROTECTED]>
Sent: Tuesday, August 14, 2001 9:31 PM
Subject: Re: New mail notification port(s)


> Lemme guess...  You work for an ASP, or a company that wants to at least
> host some Exchange services...
>
> It's completely random, from what MS has said in the past.  And there's no
> way to un-randomize it, and it can't be changed.  Apparently the three
lines
> (whatever) of code that control this were too hard to rewrite for E2K
too...
>
> Missy
> ----- Original Message -----
> From: "Kevin Derby" <[EMAIL PROTECTED]>
> To: "Exchange Discussions" <[EMAIL PROTECTED]>
> Sent: Tuesday, August 14, 2001 7:24 PM
> Subject: New mail notification port(s)
>
>
> Does anyone know the theory behind the randomization of new mail
> notification ports?  I understand that it can be anywhere between 1024 and
> 65k.  Is that one for each client, picked randomly from what's unused, or
is
> there something else to it?
>
>     Kevin
>
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